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Jitter in ATM networks and its impact on peak rate enforcement. (English) Zbl 0759.90033
Summary: Cells arriving to an ATM network experience random delays due to queueing in upstream multiplexing stages, notably in customer premises. This is the phenomenon of jitter and the aim of the present paper is to study its influence on peak rate enforcement. We first introduce some general characterizations of jitter and then, describe two models of jittered flows based on simple queueing systems. We discuss the objectives of peak rate enforcement and study the impact of jitter on the dimensioning of jumping window and leaky bucket mechanisms. A useful synthetic characterization of jitter appears to be a remote quantile of the cell delay distribution expressed in units of the initial inter-cell interval.
MSC:
90B18 Communication networks in operations research
68M20 Performance evaluation, queueing, and scheduling in the context of computer systems
60K25 Queueing theory (aspects of probability theory)
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